Swanson, KL; Swanson KL, Wiesner RH, Krowka MJ. Natural history of hepatopulmonary syndrome: impact of liver transplantation. Hepatology 2005; 41:1122-1129 (abril de 2005). «Natural history of hepatopulmonary syndrome: impact of liver transplantation». Hepatology41 (5): Swanson KL, Wiesner RH, Krowka MJ. Natural history of hepatopulmonary syndrome: impact of liver transplantation. Hepatology 2005;41:1122-1129. PMID15828054. doi:10.1002/hep.20658. Consultado el 2 de marzo de 2011.
Swanson, KL; Swanson KL, Wiesner RH, Krowka MJ. Natural history of hepatopulmonary syndrome: impact of liver transplantation. Hepatology 2005; 41:1122-1129 (abril de 2005). «Natural history of hepatopulmonary syndrome: impact of liver transplantation». Hepatology41 (5): Swanson KL, Wiesner RH, Krowka MJ. Natural history of hepatopulmonary syndrome: impact of liver transplantation. Hepatology 2005;41:1122-1129. PMID15828054. doi:10.1002/hep.20658. Consultado el 2 de marzo de 2011.
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Swanson, KL; Swanson KL, Wiesner RH, Krowka MJ. Natural history of hepatopulmonary syndrome: impact of liver transplantation. Hepatology 2005; 41:1122-1129 (abril de 2005). «Natural history of hepatopulmonary syndrome: impact of liver transplantation». Hepatology41 (5): Swanson KL, Wiesner RH, Krowka MJ. Natural history of hepatopulmonary syndrome: impact of liver transplantation. Hepatology 2005;41:1122-1129. PMID15828054. doi:10.1002/hep.20658. Consultado el 2 de marzo de 2011.